/Engine/Source/Editor/MaterialEditor/Public/MaterialEditorModes.h
Even though we currently only have one mode of operation, we still need a application mode to handle factory tab spawning.
class FMaterialEditorApplicationMode : public [FApplicationMode](API\Editor\UnrealEd\WorkflowOrientedApp\FApplicationMode)
FWorkflowAllowe...
MaterialEditorTabFactories
Set of spawnable tabs handled by workflow factories.
TWeakPtr< FMate...
MyMaterialEditor